For all their medical promise, stem cells often come with a lot of ethical baggage -- human embryos are required for production. A new generation is worry-free: adult cells reprogrammed to an embryonic-like state »

Tim Morgan is helping wheelchair users to get off the beaten track. His all-terrain Mountain Trike gives people previously restricted to smooth pavements the freedom to tackle everything from sandy beaches to woodland trails »

The day after this year's US Independence Day fireworks lit up American skies, scientists at the National Ignition Facility (NIF) in Livermore, California, released the most powerful laser shot in history »

Having played its fair share of Halo 4 multiplayer during the review phase, Wired.co.uk has amassed the following tips on weapons and loadouts for all those players looking to get ahead in life aboard the Infinity »